26 lines
368 B
C++
26 lines
368 B
C++
#include <algorithm>
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#include <iostream>
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#include <vector>
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using namespace std;
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string s, t;
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int n;
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void solve() {
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cin >> n;
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cin >> s >> t;
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sort(begin(s), end(s));
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sort(begin(t), end(t));
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if (s == t) {
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cout << "YES";
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} else {
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cout << "NO";
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}
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cout << '\n';
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}
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int main() {
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int t;
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cin >> t;
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for (int i = 0; i < t; ++i) {
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solve();
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}
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}
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